Explain why 5*4*3*7+7 are composite numbers
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A composite number is a positive integer that has a factor other than 1 and itself. ... Hence its composite number. Similarly, 7×6×5×4×3×2×1+5 can be written as , i.e. 5 * (1009). So, other than the number and 1, it have 5 and 1009 as it's factors too.
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